Forum Discussion

myredracer's avatar
myredracer
Explorer II
Oct 01, 2016

Can you trust the test & reset buttons on a GFCI?

Below is a link to an interesting thread on the Mike Holt electrical forum about whether or not GFCI's work properly as intended and if they're in compliance with UL. This may be of interest to RV-er...
Harvey51's avatar
Harvey51
Explorer
Oct 05, 2016
GFCI is supposed to trip at or below 5 ma, so a good test is to stick a 20 k ohm resistor into the outlet from hot to safety ground and see if it trips.

I got my first wee tingle from a GFI standing in water in rubber boots and holding an old sump pump. Just a little tingle before the GFI tripped. I was glad I had plugged it into a GFI outlet. Good device. Too bad they each use $5 of electricity per year now. And arc fault interrupters twice as much.

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